Which of the following statements is incorrect?
- AMetals in highest oxidation states are more stable in oxides than in fluorides.
- BAll elements of $3d$ series exhibit variable oxidation states.
- CIn highest oxidation states,the transition metals show acidic character.
- D$Mn^{3+}$ and $Co^{3+}$ are oxidizing agents in aqueous solution.
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Similar Questions
Which of the following metal ions has a calculated magnetic moment value of $\sqrt{24} \ BM$?
For the first row transition metals,the $E^{\Theta }$ values are:
$E^{\Theta }$ $V$ $Cr$ $Mn$ $Fe$ $Co$ $Ni$ $Cu$ $(M^{2+}/M)$ $-1.18$ $-0.91$ $-1.18$ $-0.44$ $-0.28$ $-0.25$ $+0.35$
Explain the irregularity in the above values.
| $E^{\Theta }$ | $V$ | $Cr$ | $Mn$ | $Fe$ | $Co$ | $Ni$ | $Cu$ |
| $(M^{2+}/M)$ | $-1.18$ | $-0.91$ | $-1.18$ | $-0.44$ | $-0.28$ | $-0.25$ | $+0.35$ |
Explain the irregularity in the above values.
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View SolutionThe halides of transition elements become more covalent with increasing oxidation state of the metal. Why?
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View SolutionIn which of the $f$-block elements is the number of electrons in the $(n-2)f$ subshell zero?
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View SolutionWhich of the following is not a characteristic of transition elements?
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